/**** 
* Classes
****/ 
var Ball = Container.expand(function () {
	var self = Container.call(this);
	var ballGraphics = self.attachAsset('ball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = ballGraphics.width / 2;
	self.xSpeed = 0;
	self.ySpeed = 0;
	self.lastX = 0;
	self.lastY = 0;
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		self.x += self.xSpeed;
		self.y += self.ySpeed;
	};
	return self;
});
var Brick = Container.expand(function () {
	var self = Container.call(this);
	var brickGraphics = self.attachAsset('brick', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = brickGraphics.width;
	self.height = brickGraphics.height;
	return self;
});
var Paddle = Container.expand(function () {
	var self = Container.call(this);
	var paddleGraphics = self.attachAsset('paddle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = paddleGraphics.width;
	self.height = paddleGraphics.height;
	self.moveTo = function (x) {
		// Clamp paddle within game bounds
		var halfWidth = self.width / 2;
		if (x < halfWidth) x = halfWidth;
		if (x > 2048 - halfWidth) x = 2048 - halfWidth;
		self.x = x;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
game.score = 0;
var paddle = game.addChild(new Paddle());
paddle.x = 1024;
paddle.y = 2600;
var ball = game.addChild(new Ball());
ball.x = 1024;
ball.y = 2500;
ball.xSpeed = 12;
ball.ySpeed = -18;
var bricks = [];
var brickRows = 5;
var brickCols = 8;
var brickSpacingX = 30;
var brickSpacingY = 30;
var brickStartY = 300;
var brickStartX = 120;
for (var row = 0; row < brickRows; row++) {
	for (var col = 0; col < brickCols; col++) {
		var brick = game.addChild(new Brick());
		brick.x = brickStartX + col * (brick.width + brickSpacingX);
		brick.y = brickStartY + row * (brick.height + brickSpacingY);
		bricks.push(brick);
	}
}
var scoreText = new Text2('0', {
	size: 150,
	fill: '#1e90ff',
	font: 'Impact',
	dropShadow: true,
	dropShadowColor: '#003366',
	dropShadowBlur: 5,
	dropShadowDistance: 7,
	dropShadowAngle: 0
});
scoreText.anchor.set(.5, 0);
LK.gui.top.addChild(scoreText);
game.isDragging = false;
game.down = function (x, y, obj) {
	// Start dragging paddle if touch is near paddle
	if (Math.abs(y - paddle.y) < 200) {
		game.isDragging = true;
		paddle.moveTo(x);
	}
};
game.up = function (x, y, obj) {
	game.isDragging = false;
};
game.move = function (x, y, obj) {
	if (game.isDragging) {
		paddle.moveTo(x);
	}
};
game.update = function () {
	// Move ball
	ball.update();
	// Wall collision (left/right)
	if (ball.x - ball.radius <= 0 && ball.lastX - ball.radius > 0) {
		ball.x = ball.radius;
		ball.xSpeed = -ball.xSpeed;
		LK.getSound('hitPaddle').play();
	}
	if (ball.x + ball.radius >= 2048 && ball.lastX + ball.radius < 2048) {
		ball.x = 2048 - ball.radius;
		ball.xSpeed = -ball.xSpeed;
		LK.getSound('hitPaddle').play();
	}
	// Ceiling collision
	if (ball.y - ball.radius <= 0 && ball.lastY - ball.radius > 0) {
		ball.y = ball.radius;
		ball.ySpeed = -ball.ySpeed;
		LK.getSound('hitPaddle').play();
	}
	// Paddle collision (only if moving down)
	if (ball.ySpeed > 0 && ball.y + ball.radius >= paddle.y - paddle.height / 2 && ball.lastY + ball.radius < paddle.y - paddle.height / 2 && ball.x > paddle.x - paddle.width / 2 && ball.x < paddle.x + paddle.width / 2) {
		ball.y = paddle.y - paddle.height / 2 - ball.radius;
		ball.ySpeed = -Math.abs(ball.ySpeed);
		// Add some xSpeed based on where it hit the paddle
		var hitPos = (ball.x - paddle.x) / (paddle.width / 2);
		ball.xSpeed += hitPos * 6;
		LK.getSound('hitPaddle').play();
	}
	// Brick collision
	for (var i = bricks.length - 1; i >= 0; i--) {
		var brick = bricks[i];
		if (ball.x + ball.radius > brick.x - brick.width / 2 && ball.x - ball.radius < brick.x + brick.width / 2 && ball.y + ball.radius > brick.y - brick.height / 2 && ball.y - ball.radius < brick.y + brick.height / 2) {
			// Simple collision: reverse ySpeed
			if (ball.lastY + ball.radius <= brick.y - brick.height / 2 && ball.y + ball.radius > brick.y - brick.height / 2 || ball.lastY - ball.radius >= brick.y + brick.height / 2 && ball.y - ball.radius < brick.y + brick.height / 2) {
				ball.ySpeed = -ball.ySpeed;
			} else {
				ball.xSpeed = -ball.xSpeed;
			}
			brick.destroy();
			bricks.splice(i, 1);
			game.score += 1;
			LK.setScore(game.score);
			scoreText.setText(game.score);
			LK.getSound('hitBrick').play();
			break;
		}
	}
	// Lose condition
	if (ball.y - ball.radius > 2732) {
		LK.setScore(game.score);
		LK.getSound('gameOverJingle').play();
		LK.effects.flashScreen(0xff0000, 1000);
		LK.showGameOver();
	}
	// Win condition
	if (bricks.length === 0) {
		LK.setScore(game.score);
		LK.showYouWin();
	}
};